package com.huika.dealontop.utils;

import android.util.Log;

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;

/**
 * @author samy
 * @description：进度条样式，反射设置样式；
 * @date 2014年10月27日 上午9:55:03
 */
public class ProgressBeanUtil {
    private ProgressBeanUtil() {

    }

    /**
     * 直接设置对象属性值,无视private/protected修饰符,不经过setter函数.
     */
    public static void setFieldValue(final Object object, final String fieldName, final Object value) {
        Field field = getDeclaredField(object, fieldName);
        if (field == null)
            throw new IllegalArgumentException("Could not find field [" + fieldName + "] on target [" + object + "]");
        makeAccessible(field);

        try {

            field.set(object, value);

        } catch (IllegalAccessException e) {

            Log.e("zbkc", "", e);

        }

    }

    /**
     * 循环向上转型,获取对象的DeclaredField.
     */

    protected static Field getDeclaredField(final Object object, final String fieldName) {

        return getDeclaredField(object.getClass(), fieldName);

    }

    /**
     * 循环向上转型,获取类的DeclaredField.
     */

    @SuppressWarnings("unchecked")
    protected static Field getDeclaredField(final Class clazz, final String fieldName) {

        for (Class superClass = clazz; superClass != Object.class; superClass = superClass.getSuperclass()) {

            try {

                return superClass.getDeclaredField(fieldName);

            } catch (NoSuchFieldException e) {

                // Field不在当前类定义,继续向上转型

            }

        }

        return null;

    }

    /**
     * 强制转换fileld可访问.
     */

    protected static void makeAccessible(Field field) {

        if (!Modifier.isPublic(field.getModifiers()) || !Modifier.isPublic(field.getDeclaringClass().getModifiers())) {

            field.setAccessible(true);

        }

    }

}
